/*
 * Copyright 2020 NAVER Corp.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.navercorp.pinpoint.profiler.monitor.collector.loadedclass;

import java.util.Objects;
import com.navercorp.pinpoint.profiler.monitor.collector.AgentStatMetricCollector;
import com.navercorp.pinpoint.profiler.monitor.metric.loadedclass.LoadedClassMetric;
import com.navercorp.pinpoint.profiler.monitor.metric.loadedclass.LoadedClassMetricSnapshot;

public class DefaultLoadedClassMetricCollector implements AgentStatMetricCollector<LoadedClassMetricSnapshot> {
    private final LoadedClassMetric loadedClassMetric;

    public DefaultLoadedClassMetricCollector(LoadedClassMetric loadedClassMetric) {
        this.loadedClassMetric = Objects.requireNonNull(loadedClassMetric, "loadedClassMetric");
    }

    @Override
    public LoadedClassMetricSnapshot collect() {
        final LoadedClassMetricSnapshot snapshot = loadedClassMetric.getSnapshot();
        return snapshot;
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder("DefaultLoadedClassMetricCollector{");
        sb.append("loadedClassMetric=").append(loadedClassMetric);
        sb.append('}');
        return sb.toString();
    }
}
